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Old 01-25-2017, 09:22 AM   #1
AbnMike
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Default buzzing/clicking under dash left side

On the way to work this morning I noticed a clicking sound under the dash near the left footwell - it happens when I apply the brakes.

The turn signals make a different sound than normal too (from that area).

To be honest it sounds like some kind of old teletype machine or dot-matrix printer. It goes off when I don't apply brakes but when I do it starts.

I'm at work, it's pouring rain so I can't get out there and take the thing apart and I am guessing it's a relay? Any thoughts so I can just order something while I'm sitting here?
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Old 01-25-2017, 10:19 AM   #2
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Default Re: buzzing/clicking under dash left side

Stopped raining long enough for me to get out there - it seems to either be the big black box on the lower left side of the fuse panel, or the silver cylindrical thing above it. Both vibrate when I touch them and apply the brake, but since they're connected on a rigid panel that's a given - one of them seems to be going bad though.

here's what the panel looks like (google image).

My Rave is on a thumbdrive at home so I can't look up the electrical schematic to see what these things are/do.
Attached Images
File Type: jpg fuse panel.jpg (42.3 KB, 33 views)

Last edited by AbnMike; 01-25-2017 at 10:35 AM.
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Old 01-25-2017, 01:06 PM   #3
WaltNYC
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Default Re: buzzing/clicking under dash left side

Link to .pdf versions of workshop manual (Rave) can be found in my signature.
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RAVE in pdf:
https://drive.google.com/open?id=0By...FdyX1VQMS1iN00
Discovery I exploded parts diagrams....
http://www.allbrit.de/NAV.cfm?SPRACHE=EN&PAGE=491338
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Old 01-25-2017, 01:07 PM   #4
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Default Re: buzzing/clicking under dash left side

Whatever the black box is (22 views and no one can even say what it is?) it stopped after I was trying to pull it out to get a number off of it but couldn't get it out. So I guess it was loose.
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Old 01-25-2017, 01:11 PM   #5
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Default Re: buzzing/clicking under dash left side





Best to put the year and mileage of your truck in your signature. Makes it easier to help.
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1997 Discovery I SE - 140k miles

RAVE in pdf:
https://drive.google.com/open?id=0By...FdyX1VQMS1iN00
Discovery I exploded parts diagrams....
http://www.allbrit.de/NAV.cfm?SPRACHE=EN&PAGE=491338
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Old 01-25-2017, 01:14 PM   #6
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Default Re: buzzing/clicking under dash left side

Thanks, Walt. Seems we were typing at the same time.

I'll order another one to have on hand.
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Old 04-07-2017, 11:07 AM   #7
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Default Re: buzzing/clicking under dash left side

Of course I forgot to order the stupid relay, and yesterday it started buzzing and clicking again. I need to go to a mx race this weekend but don't want to chance losing my electrics if it fails completely.

Found this locally at an auto parts store - anyone know if it will work?

http://www.autozone.com/electrical-a...ors/548657_0_0
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Old 04-07-2017, 02:25 PM   #8
bsa_m21
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Default Re: buzzing/clicking under dash left side

The flasher unit may look like, but is NOT a standard electric relay.

$15 at AB: http://www.roverparts.com/Parts/YWT10003
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File Type: jpg Flasher.jpg (63.3 KB, 0 views)
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Old 04-07-2017, 03:28 PM   #9
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Default Re: buzzing/clicking under dash left side

Could be a mass/gnd issue.
You should check black cable for continuity. You can test it between front connector and door button screw.

Regards
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Old 04-07-2017, 04:26 PM   #10
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Default Re: buzzing/clicking under dash left side

Quote:
Originally Posted by bsa_m21 View Post
The flasher unit may look like, but is NOT a standard electric relay.

$15 at AB: http://www.roverparts.com/Parts/YWT10003
Got it. Thanks.

It randomly buzzes, not necessarily when the flashers are on...buzz, click click, dot matrix printer sound, buzz...and of course today it didn't make a peep.

German Gruner - can you explain more what to do? I'm pretty dense. It did rain yesterday so maybe I do have something shorting somewhere.
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1969 Lambretta 200dl
1971 Suzuki TS250
1986 Honda tlr 200

(I like old, unreliable stuff that keeps me from spending too much time surfing porn)
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Old 04-07-2017, 05:01 PM   #11
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Default Re: buzzing/clicking under dash left side

Now that I think about it - my trailer light was on on the dash too, without a trailer hooked up. Wondering if maybe there's a short happening in the back somewhere....another thing to check I guess
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1971 Suzuki TS250
1986 Honda tlr 200

(I like old, unreliable stuff that keeps me from spending too much time surfing porn)
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Old 04-07-2017, 05:08 PM   #12
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Default Re: buzzing/clicking under dash left side

Just look at the last picture from this "ground fail" TIP http://www.landroverclub.com.ar/view...p?f=20&t=99471
There You find a multiple connector with all black cables incoming.
Humidity and direct current make sometimes false contacts by sulfate
You can disconnect it , WD-40 and reconnect.

regards
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Old 04-07-2017, 05:11 PM   #13
German Gruner
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Default Re: buzzing/clicking under dash left side

I agree with the suspect of short in the flasher bulbs line!
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Old 04-07-2017, 05:12 PM   #14
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Default Re: buzzing/clicking under dash left side

Quote:
Originally Posted by German Gruner View Post
Just look at the last picture from this "ground fail" TIP http://www.landroverclub.com.ar/view...p?f=20&t=99471
There You find a multiple connector with all black cables incoming.
Humidity and direct current make sometimes false contacts by sulfate
You can disconnect it , WD-40 and reconnect.

regards
Thanks!
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1996 Discovery SD
1983 Husqvarna 250 WR
1969 Lambretta 200dl
1971 Suzuki TS250
1986 Honda tlr 200

(I like old, unreliable stuff that keeps me from spending too much time surfing porn)
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Old 04-07-2017, 05:28 PM   #15
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Default Re: buzzing/clicking under dash left side

This seems like it should be a ground wire, but it's attached at the plastic fuel filler. There's clearly a mount for a bolt there, but it doesn't make sense. Can't ground to plastic.

Or is it some kind of anti static thing?

Edit- anti static.
Attached Images
File Type: jpg unnamed.jpg (24.6 KB, 15 views)
__________________
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1996 Discovery SD
1983 Husqvarna 250 WR
1969 Lambretta 200dl
1971 Suzuki TS250
1986 Honda tlr 200

(I like old, unreliable stuff that keeps me from spending too much time surfing porn)

Last edited by AbnMike; 04-07-2017 at 06:36 PM.
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Old 04-07-2017, 06:42 PM   #16
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Default Re: buzzing/clicking under dash left side

Yes, antistatic !
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Old 04-18-2017, 09:52 AM   #17
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Default Re: buzzing/clicking under dash left side

Another question on this (it stopped buzzing so I forgot about ordering it).

The one listed above http://www.roverparts.com/Parts/YWT10003 says without trailer socket.

I have a trailer connector on mine (pic attached). The only time I ever hooked up a light to it was a cheap Harbor Freight style temporary magnetic towing light. When I pressed the brake my front light bar would light up and the trailer lights would dim, not go brighter.

So what I'm wondering is do I need this one instead (w/ trailer socket)?

http://www.roverparts.com/Parts/YWT10002L
Attached Images
File Type: jpg trailer hook up.jpg (146.8 KB, 8 views)
__________________
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1996 Discovery SD
1983 Husqvarna 250 WR
1969 Lambretta 200dl
1971 Suzuki TS250
1986 Honda tlr 200

(I like old, unreliable stuff that keeps me from spending too much time surfing porn)
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Old 04-19-2017, 08:24 AM   #18
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Default Re: buzzing/clicking under dash left side

Anyone? there's a $30 difference in price points in the two but if the one with Trailer is what I need ...
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1996 Discovery SD
1983 Husqvarna 250 WR
1969 Lambretta 200dl
1971 Suzuki TS250
1986 Honda tlr 200

(I like old, unreliable stuff that keeps me from spending too much time surfing porn)
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Old 04-19-2017, 01:06 PM   #19
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Default Re: buzzing/clicking under dash left side

I don't know what set-up you have. I had little luck direct wiring in a pigtail on my '95 Rangie (which I did after I saw the price of the LR official trailer wiring), all sorts of dimming and other strange things . I ended up with the LR trailer kit and used the standard flasher unit and all was good. The big black box seems to make all the difference, some do-it-yourself Walmart kits have this feature and might work. As far as grounds (earths) go, make your own to the frame somewhere, don't get hung up on factory locations. And if you want to try a dedicated trailer flasher first, try the local auto parts and pick up the same type of flasher a bit cheaper.
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